P0718 Honda Code - Intermittent Failure Input Shaft Speed Sensor
Quick Answer
The P0718 diagnostic trouble code (DTC) for Honda vehicles indicates an intermittent failure in the input shaft speed sensor. Common causes include Faulty input shaft speed sensor, Damaged wiring or connectors, ECM communication issues. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0718 Honda indicates Intermittent Failure Input Shaft Speed Sensor.
- Common causes
- Common causes include Faulty input shaft speed sensor, Damaged wiring or connectors, ECM communication issues.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0718 Honda Description
The P0718 diagnostic trouble code (DTC) for Honda vehicles indicates an intermittent failure in the input shaft speed sensor. The input shaft speed sensor is a vital component of the transmission system, responsible for monitoring the speed of the input shaft and sending this information to the vehicle's engine control module (ECM). This data is crucial for the ECM to make adjustments to the transmission's shifting patterns, ensuring optimal performance and fuel efficiency.
Common Causes of P0718 Honda
- Faulty input shaft speed sensor
- Damaged wiring or connectors
- ECM communication issues
- Transmission fluid contamination
- Mechanical issues within the transmission
Symptoms of P0718 Honda
- Erratic shifting behavior
- Transmission slipping
- Harsh or delayed shifting
- Limp mode activation
- Decreased fuel efficiency
How to Fix P0718 Honda
- Begin by performing a thorough diagnostic scan to retrieve the specific trouble code and confirm the intermittent failure in the input shaft speed sensor.
- Inspect the wiring and connectors related to the sensor for any damage or corrosion. Repair or replace as necessary.
- Test the input shaft speed sensor for proper functionality using a multimeter or scan tool. Replace the sensor if it fails the test.
- Clear the DTC from the ECM and reset the transmission adaptives to ensure proper operation.
- Test drive the vehicle to verify that the issue has been resolved and that the transmission is functioning correctly.
Cost to Fix P0718 Honda
The typical repair costs for addressing an intermittent failure in the input shaft speed sensor on a Honda vehicle can range from $200 to $500, including parts and labor. However, it is important to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships and lower at independent shops. It is advisable to inquire about local rates to obtain a more accurate estimate for this repair.
When is the Code Detected?
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Frequently Asked Questions about P0718 Honda Code
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Discuss the causes and fixes for P0718 Honda OBDII Code
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My Honda Accord is giving codes P0705 and P0718. One transmission technician said its the TCM "Transmission Control Module" that is malfunctioning. Does this sound right or is it just yhe sensors?
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I would start by replacing the sensor. The TCM it's very expensive and usually less likely to fail.
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